{"protocolVersion":"0.3.0","name":"HostDeFi Token Risk API","description":"Machine-payable token-safety intelligence for AI agents: A+-F risk verdicts, pre-graduation Solana signals, authority checks, wallet portfolio audits and a trend-radar feed. Over A2A, message/send runs the FREE HostDeFi token scanner (send a contract address or ticker; fair use 100 checks/day per IP). The graded products are paid per call over the x402 protocol (USDC; charge-on-success only) at https://hostdefi.com/api/v1/x402/pricing or via the hosted MCP server at https://hostdefi.com/api/v1/mcp - no key, no account. API keys purchasable in one x402 payment for volume.","author":"HostDeFi","wellKnownURI":"https://hostdefi.com/.well-known/agent.json","url":"https://hostdefi.com/api/v1/a2a","version":"1.2.0","provider":{"organization":"HostDeFi","url":"https://hostdefi.com/"},"documentationUrl":"https://hostdefi.com/docs/api/","iconUrl":"https://hostdefi.com/logo512.png","supportsAuthenticatedExtendedCard":false,"security":[],"securitySchemes":{},"capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false,"extensions":null},"defaultInputModes":["text/plain","application/json"],"defaultOutputModes":["text/plain","application/json"],"skills":[{"id":"token-safety-scan","name":"Free token safety scan (A2A message/send)","description":"Send a Solana mint, an EVM 0x address, or an exact token name/ticker in a text or data part; the task completes with the free scanner's structured risk read (authority state, liquidity, holder concentration, contract flags) as a data-part artifact. No payment.","tags":["free","token-safety","risk","solana","evm","a2a"],"examples":["is So11111111111111111111111111111111111111112 safe?","0x39dBED3a2bd333467115dE45665cC57F813C4571","PEPE"],"inputModes":["text/plain","application/json"],"outputModes":["text/plain","application/json"]},{"id":"token-risk-verdict","name":"Token safety verdict","description":"A+-F grade, score and verdict prose for a token by chain + address, or by free-form query resolved to the top-liquidity match. Solana and major EVM chains (paid via x402 HTTP or the MCP tools, not over A2A).","tags":["crypto","token-safety","risk","solana","evm","x402"],"examples":[],"inputModes":[],"outputModes":[]},{"id":"pregrad-signals","name":"Pre-graduation Solana signals","description":"Bundled-launch detection, curve-aware holder concentration, Token-2022 trap flags and authority state for early Solana mints (paid via x402 HTTP or the MCP tools, not over A2A).","tags":["solana","memecoin","launch","risk","x402"],"examples":[],"inputModes":[],"outputModes":[]},{"id":"portfolio-audit","name":"Wallet portfolio audit","description":"Risk-graded verdicts for a Solana wallet's largest token holdings (up to 10) in one call (paid via x402 HTTP or the MCP tools, not over A2A).","tags":["solana","wallet","portfolio","risk","x402"],"examples":[],"inputModes":[],"outputModes":[]},{"id":"trend-radar","name":"Trend-radar alerts","description":"Recent big dated movers with real market cap, as structured JSON (paid via x402 HTTP or the MCP tools, not over A2A).","tags":["market-data","alerts","x402"],"examples":[],"inputModes":[],"outputModes":[]},{"id":"safety-datasets","name":"Safety datasets and listings","description":"Dated weekly snapshot data in bulk: graded token listings per chain (Solana + major EVM), the rug/collapse gate-exit ledger, radar alert history, and the full safety-snapshot dataset in one call (paid via x402 HTTP or the MCP tools, not over A2A).","tags":["dataset","token-safety","rug-pull","solana","evm","x402"],"examples":[],"inputModes":[],"outputModes":[]},{"id":"x402-provider-risk","name":"x402 provider-risk grades","description":"Vet an x402 seller before paying it: A-F grades from observable signals (402-spec fidelity, price sanity, payTo presence, TLS, latency, reachability) for crawled x402 resources and providers, as a dated snapshot (paid via x402 HTTP or the MCP tools, not over A2A).","tags":["x402","agent-economy","trust","risk","dataset"],"examples":[],"inputModes":[],"outputModes":[]}],"conformance":true,"conformance_errors":null,"homepage":null,"repository":null,"license":null,"pricing":null,"contact":null,"id":"730b69eb-7bca-4b96-9861-20019f7a9f1a","created_at":"2026-09-01T19:26:24.787035Z","updated_at":"2026-10-13T00:13:08.246093Z","hidden":false,"flag_count":0,"maintainer_notes":"Verified working at registration. Agent responds to `message/send` correctly via the A2A SDK.","category":"trust-safety","category_secondary":null,"uptime_percentage":100.0,"avg_response_time_ms":770,"last_health_check":"2026-10-13T00:13:07.471392Z","is_healthy":true,"status_notes":[],"task_conformance":{"category":"WORKING","passed":true,"checked_at":"2026-10-12T05:23:37.186907Z","response_ms":523}}